Quantitative Aptitude - Arithmetic Ability Questions

Q:

What is the area (in sq cm) of a circle whose circumference is 26.4 cm?

A) 55.44 B) 44.55
C) 33.44 D) 44.33
 
Answer & Explanation Answer: A) 55.44

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Filed Under: Area
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Q:

When a number is increased by 21, it becomes 114% of itself. What is the number?

A) 150 B) 252
C) 315 D) 189
 
Answer & Explanation Answer: A) 150

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Q:

AB is a diameter of a circle. C is a point on the tangent drawn at A . If AB = 8 cm and AC = 6 cm , then the length of BC is

A) 10 cm B) 14 cm
C) 5 cm D) 7 cm
 
Answer & Explanation Answer: A) 10 cm

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Q:

If √(1+tan2A) = x, then the value of x is

A) sinA B) cosecA
C) secA D) cosA
 
Answer & Explanation Answer: C) secA

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Q:

If (x/5) + (5/x) = – 2, then what is the value of x3?

A) –125 B) 5
C) 1/125 D) 625
 
Answer & Explanation Answer: A) –125

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Q:

If sec -5π/4 = x, then the value of x is

A) -1/√3 B) -√2
C) -1 D) √3
 
Answer & Explanation Answer: B) -√2

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Q:

Lokesh starts a business with Rs 240000. After 3 months Vishal joins him with Rs 210000. At the end of the year what will be the ratio of their profit?

A) 32 : 21 B) 16 : 13
C) 8 : 5 D) 45 : 39
 
Answer & Explanation Answer: A) 32 : 21

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Filed Under: Ratios and Proportions
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Q:

The four sides of a quadrilateral are in the ratio of 2:3:4:5 and its perimeter is 280m. The length of the longest side is

A) 100m B) 150m
C) 175m D) 180m
 
Answer & Explanation Answer: A) 100m

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